On 2019/02/22 21:00:08, dak wrote:
You are confusing stencils with stencil expressions. Stencils satisfy
ly:stencil? and you can extract their stencil expression (which
usually is a
pair) with ly:stencil-expr .
Yes, but what we’re dealing with in this function is a stencil
expression, isn’t it? (At least, as long as it isn’t unsmobbed.)
If I do
if (scm_is_pair (s) {} else *unsmob<Stencil> (s)
the stencil expression in "s" will never reach the "else" subroutine.
I don't understand where the difference in what you do with
script-stencil as a
property and what you would do with stencil as a property would lie.
Forgive me for not understanding what you mean right away. Right now,
Script.stencil is defined as ly:script-interface::print which is where
glyphs are looked up (or, with this new patch, stencil expressions),
then printed. Are you suggesting that we scrap this interface and make
Script.stencil point to a Scheme callback instead?
V⋅.
https://codereview.appspot.com/348120043/
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